s390/qeth: remove gratuitious RX modeset

Trust the IPv4/IPv6 code to properly remove its mcast addresses when a
VLAN device is unregistered, and then also trigger an RX modeset
whenever it's needed.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/s390/net/qeth_l3_main.c

@@ -39,7 +39,6 @@
 
 
 static int qeth_l3_set_offline(struct ccwgroup_device *);
-static void qeth_l3_set_rx_mode(struct net_device *dev);
 static int qeth_l3_register_addr_entry(struct qeth_card *,
 		struct qeth_ipaddr *);
 static int qeth_l3_deregister_addr_entry(struct qeth_card *,
@@ -1297,7 +1296,6 @@ static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev,
 	QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
 
 	clear_bit(vid, card->active_vlans);
-	qeth_l3_set_rx_mode(dev);
 	return 0;
 }